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Finding the Fourth Proportional to 788,014.88, 1,182,209.28 and 255,536

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Solution

The fourth proportional to 788,014.88, 1,182,209.28 and 255,536 is: 383,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,014.88 : 1,182,209.28 = 255,536 : x
  2. Step 2: Convert to fraction form
    788,014.88/1,182,209.28 = 255,536/x
  3. Step 3: Cross multiply
    788,014.88x = 1,182,209.28 × 255,536
  4. Step 4: Simplify right side
    788,014.88x = 302,097,030,574.08
  5. Step 5: Solve for x
    x = 302,097,030,574.08/788,014.88
  6. Step 6: Final answer
    x = 383,364.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.